IEEE Transactions on Biomedical Engineering

Issue 7 • July 1980

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Displaying Results 1 - 16 of 16
  • IEEE Transactions on Biomedical Engineering - Table of contents

    Publication Year: 1980, Page(s): c1
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    Freely Available from IEEE
  • IEEE Engineering in Medicine and Biology Society

    Publication Year: 1980, Page(s): c2
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  • Magnetic Study of the His-Purkinje Conduction System in Man

    Publication Year: 1980, Page(s):345 - 350
    Cited by:  Papers (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2134 KB)

    It has recently been suggested that depolarization of the entire His-Purkinje conduction system of the heart produces a characteristic waveform in the surface electrocardiogram. The magnetic probe offers a different and, in some respects, advantageous means of observing such waveforms, and extensive records of the surface magnetic field generated by the human heart have been obtained for four norm... View full abstract»

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  • Electronic Modeling of Slow-Waves and Spike-Activity in Intestinal Tissue

    Publication Year: 1980, Page(s):351 - 357
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5101 KB)

    Electrical activity in the mammalian gastrointestinal tract includes a basic electrical rhythm, called "slow-waves," plus superimposed pulses referred to as "spike-activity." A currently accepted model for the slow-wave activity compises a set of interconnected oscillators, usually based on van der Pol dynamics. In this paper, an electronics implementation is described which is based on a simplifi... View full abstract»

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  • A Real-Time Microprocessor-Based ECG Contour Analysis System Utilizing Decision Tables

    Publication Year: 1980, Page(s):358 - 363
    Cited by:  Papers (6)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2010 KB)

    This paper describes the research effort to develop programs for a microprocessor-based unit to provide contour analysis of a standard patient ECG. The specific ECG analysis program developed by this task will determine ventricular conduction defects, preexcitation, ventricular enlargement, and A-V conduction disorders. Decision tables are used to establish a set of decision rules that can be logi... View full abstract»

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  • Application of the Electrical Sizing Principle of Coulter to a New Multiparameter System

    Publication Year: 1980, Page(s):364 - 369
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2346 KB)

    A new technique is described for simultaneously measuring, within 100 μs, cell volume, membrane breakdown voltage, and internal conductivity on individual cells of microscopic dimensions. The system is a modification of the hydrodynamically focusing Coulter Counter®. Tumor cells established from rat fetal brain cells of average volume 2100 μm3 were measured. A break... View full abstract»

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  • Syntactic Approach to ECG Rhythm Analysis

    Publication Year: 1980, Page(s):370 - 375
    Cited by:  Papers (40)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1739 KB)

    A diagnostic system for ECG rhythm monitoring based on syntactic approaches to pattern recognition is presented here. The method proposed exploits the difference in shape and structure between arrhythmic and normal ECG patterns to generate distinctly different descriptions in terms of a chosen set of primitives. A given frame of signal is first approximated piecewise linearly into a set of line se... View full abstract»

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  • Long-Term Biological Effects of Very Intense 60 Hz Electric Field on Mice

    Publication Year: 1980, Page(s):376 - 381
    Cited by:  Papers (28)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2664 KB)

    This paper presents the results of long-term exposure of mice to a 240 kV/m, 60 Hz electric field. Both males and females were subjected to this very intense field for over 4500 h before they were sacrificed for tests. The progenies resulting from breeding the various couples were also exposed to the same field. Studies were made to determine the effects of the electric field on drinkdng water con... View full abstract»

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  • Myoelectric Signal Processing: Optimal Estimation Applied to Electromyography - Part I: Derivation of the Optimal Myoprocessor

    Publication Year: 1980, Page(s):382 - 395
    Cited by:  Papers (122)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3498 KB)

    This paper (Part I of II) describes the development of a novel technique for processing the electrical activity of muscle which uses multiple channels of myoelectric activity. A phenomenological mathematical model of myoelectric activity is formulated. From this model, a mathematical statement of the optimal myoelectric signal processor is derived, and some of its properties are investigated. This... View full abstract»

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  • Myoelectric Signal Processing: Optimal Estimation Applied to Electromyography - Part II: Experimental Demonstration of Optimal Myoprocessor Performance

    Publication Year: 1980, Page(s):396 - 410
    Cited by:  Papers (70)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4001 KB)

    This paper (Part II of two) presents an experimental demonstration of the performance achieved by implementing the mathematically derived optimal myoprocessor described in Part I. Almost an order-of-magnitude improvement over the common myoprocessor is obtained. Excellent agreement of the experimental results with the analytical predictions verifies the mathematical analysis. The relative contribu... View full abstract»

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  • An Automated Measuring System for EMG Silent Period

    Publication Year: 1980, Page(s):410 - 413
    Cited by:  Papers (3)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1924 KB)

    A small, economical, and accurate system for measuring the silent period duration as well as the latency has been designed. In nine normal subjects electromyographic silent periods in the masseter muscle were measured both manually and by the system. With the comparison of those data, it is concluded that this measuring system is suitable for clinical use. View full abstract»

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  • Fitting the Hill Equation to Experimental Data

    Publication Year: 1980, Page(s):413 - 416
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (756 KB)

    A procedure is presented for fitting the hyperbolic Hill relationship to force-velocity curves measured on muscle. The procedure combines linear least-squares estimation of two parameters with iterative estimation of the third parameter in the Hill model. The method was tested on curves generated with known parameters, with the addition of white noise, and on experimentally determined curves. It i... View full abstract»

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  • A Versatile Wide-Range Electrical Heart Stimulator

    Publication Year: 1980, Page(s):416 - 418
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (615 KB)

    A versatile wide-range electrical stimulator has been built for stimulated fibrillation of the heart in animal experiments using readily available low cost IC's and general purpose instruments easily available in the laboratory or commercially. An outline of the whole system is presented along with a detailed description of the master control section which generates all the important trigger comma... View full abstract»

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  • A Limitation on Systems for Imaging Electrical Conductivity Distributions

    Publication Year: 1980, Page(s):418 - 420
    Cited by:  Papers (22)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (572 KB)

    The problem of reconstructing a two-dimensional distribution of electrical conductivity from impedance measurements made on the circumference of a circle enclosing the distribution is studied. It is shown to be, in general, impossible to uniquely reconstruct such conductivity distributions when employing certain recently proposed approaches based on the concept of computed tomography which is so s... View full abstract»

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  • IEEE Transactions on Biomedical Engineering Statement of Editorial Policy

    Publication Year: 1980, Page(s): 420-a
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    Freely Available from IEEE
  • Institutional listings

    Publication Year: 1980, Page(s): 420b
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Aims & Scope

IEEE Transactions on Biomedical Engineering contains basic and applied papers dealing with biomedical engineering. Papers range from engineering development in methods and techniques with biomedical applications to experimental and clinical investigations with engineering contributions.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Bin He
University of Minnesota